<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="medium"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item prop="noTitle">
        <el-input
          v-model="queryParams.noTitle"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="medium" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="medium" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="12" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['index:notice:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['index:notice:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="6">
        <div class="inner-select">
          <span>公告/通知：</span>
          <el-select v-model="queryParams.noType" size="small" @change="changeNoticeType" clearable>
            <el-option
              v-for="dict in dict.type.notice_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </div>
      </el-col>
      <el-col :span="6">
        <div class="inner-select">
          <span>是否置顶：</span>
          <el-select
            v-model="queryParams.noIsTop"
            size="small"
            @change="changeNoticeIsTop"
            clearable
          >
            <el-option
              v-for="dict in dict.type.notice_is_top"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
        </div>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="noticeList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="标题" align="center" prop="noTitle" :show-overflow-tooltip="true" />
      <el-table-column label="内容" align="center" prop="noContent" :show-overflow-tooltip="true">
        <template slot-scope="scope">
          <span>{{scope.row.noContent}}</span>
        </template>
      </el-table-column>
      <el-table-column label="类型" align="center" prop="noType">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.notice_type" :value="scope.row.noType" />
        </template>
      </el-table-column>
      <el-table-column label="是否置顶" align="center" prop="noIsTop">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.notice_is_top" :value="scope.row.noIsTop" />
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" :show-overflow-tooltip="true">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="修改时间" align="center" prop="updateTime" :show-overflow-tooltip="true">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['index:notice:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['index:notice:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改通知公告对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="noTitle">
          <el-input v-model="form.noTitle" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="内容" prop="noContent">
          <el-input
            type="textarea"
            :autosize="{ minRows: 2, maxRows: 6}"
            placeholder="请输入内容"
            v-model="form.noContent"
          ></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="noType">
          <el-select v-model="form.noType" placeholder="请选择类型">
            <el-option
              v-for="dict in dict.type.notice_type"
              :key="dict.value"
              :label="dict.label"
              :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="是否置顶" prop="noIsTop">
          <el-radio-group v-model="form.noIsTop">
            <el-radio
              v-for="dict in dict.type.notice_is_top"
              :key="dict.value"
              :label="parseInt(dict.value)"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listNotice,
  getNotice,
  delNotice,
  addNotice,
  updateNotice
} from "@/api/index/notice";

export default {
  name: "Notice",
  dicts: ["notice_type", "notice_is_top"],
  data() {
    return {
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 通知公告表格数据
      noticeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        noTitle: undefined,
        noType: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        noTitle: [{ required: true, message: "标题不能为空", trigger: "blur" }],
        noContent: [
          { required: true, message: "内容不能为空", trigger: "blur" }
        ],
        noType: [
          { required: true, message: "类型不能为空", trigger: "change" }
        ],
        noIsTop: [
          { required: true, message: "是否置顶不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询通知公告列表 */
    getList() {
      this.loading = true;
      listNotice(this.queryParams).then(response => {
        this.noticeList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        noId: undefined,
        noTitle: undefined,
        noContent: undefined,
        noType: undefined,
        noIsTop: 0
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.queryParams.noType = undefined;
      this.queryParams.noIsTop = undefined;
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.noId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加通知公告";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const noId = row.noId;
      getNotice(noId).then(response => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改通知公告";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.noId != null) {
            updateNotice(this.form)
              .then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              })
              .finally(() => {
                this.buttonLoading = false;
              });
          } else {
            addNotice(this.form)
              .then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              })
              .finally(() => {
                this.buttonLoading = false;
              });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const noIds = row.noId || this.ids.join(",");
      this.$modal
        .confirm(`是否确认删除当前${noIds.length}条通知公告？`)
        .then(() => {
          this.loading = true;
          return delNotice({ noIds: noIds });
        })
        .then(() => {
          this.loading = false;
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .finally(() => {
          this.loading = false;
        });
    },
    /** 更改通知类型 */
    changeNoticeType() {
      this.getList();
    },
    /** 更改是否置顶 */
    changeNoticeIsTop() {
      this.getList();
    }
  }
};
</script>
<style scoped>
.inner-select {
  display: flex;
  justify-content: center;
}
.inner-select span {
  font-size: 16px;
  color: #909399;
  line-height: 32px;
}
</style>